Rockwell Automation ControlLogix, CompactLogix, GuardLogix, and 1756-EN4TR Improper Check for Certificate Revocation (CVE-2026-9636)

The affected products fail to properly reject certificates signed by an intermediate certificate authority that has been revoked via a Certificate Revocation List CRL. A network-based attacker who holds such a certificate can leverage it to establish a Common Industrial Protocol CIP Security...